Exemplo n.º 1
0
        public RTL8139(PCIDevice device)
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get Realtek 8139 card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            // Setup interrupt handling
            //Interrupts.IRQ11 += HandleNetworkInterrupt;
            //Interrupts.AddIRQHandler(device.InterruptLine, HandleNetworkInterrupt);

            // Get IO Address from PCI Bus
            io = pciCard.GetAddressSpace(0);

            // Enable the card
            pciCard.EnableDevice();

            // Turn on the card
            io.Write8(0x52, 0x01);

            //Do a software reset
            SoftwareReset();

            // Get the MAC Address
            byte[] eeprom_mac = new byte[6];
            for (uint b = 0; b < 6; b++)
            {
                eeprom_mac[b] = io.Read8(b);
            }

            this.mac = new MACAddress(eeprom_mac);

            // Get a receive buffer and assign it to the card
            rxBuffer = new ManagedMemorySpace(RxBufferSize + 2048 + 16, 4);

            RBStartRegister = rxBuffer.Offset;

            // Setup receive Configuration
            RecvConfigRegister = 0xF381;
            // Setup Transmit Configuration
            TransmitConfigRegister = 0x3000300;

            // Setup Interrupts
            IntMaskRegister   = 0x7F;
            IntStatusRegister = 0xFFFF;

            // Setup our Receive and Transmit Queues
            mRecvBuffer     = new Queue <byte[]>();
            mTransmitBuffer = new Queue <byte[]>();
        }
Exemplo n.º 2
0
        public Intel8254X(PCIDevice dev)
        {
            this.dev = dev;
            dev.EnableDevice();
            BAR0 = (uint)(dev.BAR0 & (~3));
            INTs.SetIrqHandler(dev.InterruptLine, HandleIRQ);

            var HasEEPROM = DetectEEPROM();

            //Read the mac address
            if (!HasEEPROM)
            {
                address = new MACAddress(new byte[] { Read1ByteRegister(BAR0 + 0x5400), Read1ByteRegister(BAR0 + 0x5401), Read1ByteRegister(BAR0 + 0x5402), Read1ByteRegister(BAR0 + 0x5403), Read1ByteRegister(BAR0 + 0x5404), Read1ByteRegister(BAR0 + 0x5405) });
            }
            else
            {
                var firstWord  = ReadROM(0);
                var secondWord = ReadROM(1);
                var thirdWord  = ReadROM(2);
                address = new MACAddress(new byte[] {
                    (byte)(firstWord & 0xFF),
                    (byte)(firstWord >> 8),
                    (byte)(secondWord & 0xFF),
                    (byte)(secondWord >> 8),
                    (byte)(thirdWord & 0xFF),
                    (byte)(thirdWord >> 8)
                });
            }

            LinkUp();

            //zero out the MTA (multicast tabel array)
            for (int i = 0; i < 0x80; i++)
            {
                WriteRegister((ushort)(0x5200 + i * 4), 0);
            }

            //Enable interupts
            WriteRegister(REG_IMASK, 0x1F6DC);
            WriteRegister(REG_IMASK, 0xFF & ~4);
            ReadRegister(0xC0);

            RXInitialize();
            TXInitialize();
        }
Exemplo n.º 3
0
        public VT6102(PCIDevice device)
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get VIA Rhine-II card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            // Setup interrupt handling
            //Interrupts.IRQ10 += HandleNetworkInterrupt;
            //Interrupts.AddIRQHandler(device.InterruptLine, HandleNetworkInterrupt);

            // Get IO Address from PCI Bus
            io = pciCard.GetAddressSpace(0) as Kernel.IOAddressSpace;

            // Enable the card
            pciCard.EnableDevice();

            // Get the EEPROM MAC Address and set it as the devices MAC
            byte[] eeprom_mac = new byte[6];
            UInt32 result = io.Read32(0x00);
            eeprom_mac[0] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[1] = BinaryHelper.GetByteFrom32bit(result, 8);
            eeprom_mac[2] = BinaryHelper.GetByteFrom32bit(result, 16);
            eeprom_mac[3] = BinaryHelper.GetByteFrom32bit(result, 24);
            result = io.Read32(0x04);
            eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);

            mac = new MACAddress(eeprom_mac);

            // Software Reset device
            SoftwareReset();

            // Configure Receive Config
            ReceiveConfigRegister = 0x1C;
            // Configure Transmit Config
            TransmitConfigRegister = 0x04;

            // Setup RX Descriptors
            mRxDescriptors = new ManagedMemorySpace(256, 16);

            // Setup TX Descriptors
            mTxDescriptors = new ManagedMemorySpace(256, 16);

            /* Initialize the RX and TX buffers, and set up the RX  descriptors to point
               to the buffers. Also, mark the RX descriptors as being owned by the card so data 
               can be received in them */
            mRxBuffers = new List<ManagedMemorySpace>();
            for (uint rxd = 0; rxd < 16; rxd++)
            {
                uint xOffset = rxd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mRxDescriptors.Write32(xOffset + 12, mRxDescriptors.Offset + xOffset + 16);
                mRxDescriptors.Write32(xOffset + 8, buffer.Offset);
                mRxDescriptors.Write32(xOffset + 4, buffer.Size);
                mRxDescriptors.Write32(xOffset, 0x80000000);
                mRxBuffers.Add(buffer);
            }
            mRxDescriptors.Write32(252, mRxDescriptors.Offset);
            for (uint txd = 0; txd < 16; txd++)
            {
                uint xOffset = txd * 16;

                mTxDescriptors.Write32(xOffset + 12, mTxDescriptors.Offset + xOffset + 16);
                mTxDescriptors.Write32(xOffset + 8, 0);
                mTxDescriptors.Write32(xOffset + 4, 0);
                mTxDescriptors.Write32(xOffset, 0);
            }
            mTxDescriptors.Write32(252, mTxDescriptors.Offset);

            mNextTXDesc = 0;

            RxDescAddressRegister = mRxDescriptors.Offset;
            TxDescAddressRegister = mTxDescriptors.Offset;

            // Setup and clear interrupts
            IntMaskRegister = 0xFFFF;
            IntStatusRegister = 0xFFFF;

            // Setup our Receive and Transmit Queues
            mTransmitBuffer = new Queue<byte[]>();
            mRecvBuffer = new Queue<byte[]>();
        }
Exemplo n.º 4
0
        // Initialize a new instance of the AMD PCNet device driver
        public AMDPCNet(PCIDevice device)
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get AMD PCNet card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            // Setup interrupt handling
            //Interrupts.IRQ09 += HandleNetworkInterrupt;
            //Interrupts.AddIRQHandler(device.InterruptLine, HandleNetworkInterrupt);

            // Get IO Address from PCI Bus
            io = (Kernel.IOAddressSpace)pciCard.GetAddressSpace(0);
            // Enable the card
            pciCard.EnableDevice();
            // Set the device into 32-bit mode
            io.Write32(0x10, 0);

            // Get the EEPROM MAC Address and set it as the devices MAC
            byte[] eeprom_mac = new byte[6];
            UInt32 result = io.Read32(0x00);
            eeprom_mac[0] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[1] = BinaryHelper.GetByteFrom32bit(result, 8);
            eeprom_mac[2] = BinaryHelper.GetByteFrom32bit(result, 16);
            eeprom_mac[3] = BinaryHelper.GetByteFrom32bit(result, 24);
            result = io.Read32(0x04);
            eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);

            mac = new MACAddress(eeprom_mac);

            // Allocate 32 bytes for the 28 byte Initialization block that has to be aligned to a 4 byte boundary
            //UInt32 address = Heap.MemAlloc(0x20);
            //mInitBlock = new ManagedUInt32Array(7); // 7 UInt32's, aligned on a 4byte boundary
            mInitBlock = new ManagedMemorySpace(28, 4);
            /*Console.Write("Allocated 32 bytes for initialization block @ 0x" + address.ToHex(8));
            Console.WriteLine("(Aligned to 0x" + aligned_address.ToHex(8) + ")");*/

            // Allocate 80 uints for the 16 RX and TX Descriptor rings. These addresses have to be aligned on a 16-byte boundary
            mTxDescriptor = new ManagedMemorySpace(256, 16);
            mRxDescriptor = new ManagedMemorySpace(256, 16);
            /*Console.Write("Allocated 320 bytes for RX ring descriptors @ 0x" + rd_address.ToHex(8));
            Console.WriteLine("(Aligned to 0x" + mRxDescriptorAddress.ToHex(8) + ")");
            Console.Write("Allocated 320 bytes for TX ring descriptors @ 0x" + tx_address.ToHex(8));
            Console.WriteLine("(Aligned to 0x" + mTxDescriptorAddress.ToHex(8) + ")");*/

            // Fill in the Initialization block
            mInitBlock.Write32(0x00, (0x4 << 28) | (0x4 << 20));
            mInitBlock.Write32(0x04, (uint)(eeprom_mac[0] | (eeprom_mac[1] << 8) | (eeprom_mac[2] << 16) | (eeprom_mac[3] << 24)));
            mInitBlock.Write32(0x08, (uint)(eeprom_mac[4] | (eeprom_mac[5] << 8)));
            mInitBlock.Write32(0x0C, 0x0);
            mInitBlock.Write32(0x10, 0x0);
            mInitBlock.Write32(0x14, mRxDescriptor.Offset);
            mInitBlock.Write32(0x18, mTxDescriptor.Offset);

            // Write the Initialization blocks address to the registers on the card
            InitializationBlockAddress = mInitBlock.Offset;
            // Set the device to PCNet-PCI II Controller mode (full 32-bit mode)
            SoftwareStyleRegister = 0x03;

            /* Initialize the RX and TX buffers, and set up the RX and TX descriptors to point
               to the buffers. Also, mark the RX descriptors as being owned by the card so data 
               can be received in them */
            mRxBuffers = new List<ManagedMemorySpace>();
            mTxBuffers = new List<ManagedMemorySpace>();
            for (uint rxd = 0; rxd < 16; rxd++)
            {
                uint xOffset = rxd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mRxDescriptor.Write32(xOffset + 8, buffer.Offset);
                UInt16 buffer_len = (UInt16)(~buffer.Size);
                buffer_len++;
                UInt32 flags = (UInt32)(buffer_len & 0x0FFF) | 0xF000 | 0x80000000;
                mRxDescriptor.Write32(xOffset + 4, flags);
                mRxBuffers.Add(buffer);
            }
            for (uint txd = 0; txd < 16; txd++)
            {
                uint xOffset = txd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mTxDescriptor.Write32(xOffset + 8, buffer.Offset);
                mTxBuffers.Add(buffer);
            }

            // Set TX Descriptor 0 as the first one to use... Increment this when we use one to use them in a circular fashion
            mNextTXDesc = 0;

            // Setup our Receive and Transmit Queues
            mTransmitBuffer = new Queue<byte[]>();
            mRecvBuffer = new Queue<byte[]>();
        }
Exemplo n.º 5
0
        /// <summary>
        /// Creates a new instance of the <see cref="AC97"/> class, with the
        /// given buffer size.
        /// </summary>
        /// <param name="bufferSize">The buffer size in samples to use. This value cannot be an odd number, as per the AC97 specification.</param>
        /// <exception cref="ArgumentException">Thrown when the given buffer size is invalid.</exception>
        /// <exception cref="InvalidOperationException">Thrown when no AC97-compatible sound card is present.</exception>
        private AC97(ushort bufferSize)
        {
            if (bufferSize % 2 != 0)
            {
                // As per the AC97 specification, the buffer size cannot be odd.
                // (1.2.4.2 PCM Buffer Restrictions, Intel document 302349-003)
                throw new ArgumentException("The buffer size must be an even number.", nameof(bufferSize));
            }

            PCIDevice pci = Cosmos.HAL.PCI.GetDeviceClass(
                ClassID.MultimediaDevice, // 0x04
                (SubclassID)0x01          // 0x01
                );

            if (pci == null || !pci.DeviceExists || pci.InterruptLine > 0xF)
            {
                throw new InvalidOperationException("No AC97-compatible device could be found.");
            }

            PCI = pci; // Expose PCI device to the public API

            pci.EnableBusMaster(true);
            pci.EnableMemory(true);
            pci.EnableDevice(); // enable I/O space

            INTs.SetIrqHandler(pci.InterruptLine, HandleInterrupt);

            ushort NAMbar  = (ushort)pci.BaseAddressBar[0].BaseAddress; // Native Audio Mixer
            ushort NABMbar = (ushort)pci.BaseAddressBar[1].BaseAddress; // Native Audio Bus Master

            pTransferControl   = new IOPort((ushort)(NABMbar + 0x1B));
            pMasterVolume      = new IOPort((ushort)(NAMbar + 0x02));
            pPCMOutVolume      = new IOPort((ushort)(NAMbar + 0x18));
            pBufferDescriptors = new IOPort((ushort)(NABMbar + 0x10));
            pTransferStatus    = new IOPort((ushort)(NABMbar + 0x16));
            pLastValidEntry    = new IOPort((ushort)(NABMbar + 0x15));
            pGlobalControl     = new IOPort((ushort)(NABMbar + 0x2C));
            pResetRegister     = new IOPort((ushort)(NAMbar + 0x00));

            // Reset device
            pGlobalControl.Byte  = 0x2;
            pResetRegister.DWord = 0xDEADBEEF; // any value will do here

            // Reset PCM out
            uint polls = 0; // The amount we polled the device for a reset

            pTransferControl.Byte = (byte)(pTransferControl.Byte | TC_TRANSFER_RESET);
            while ((pTransferControl.Byte & TC_TRANSFER_RESET) != 0 && polls < RESET_POLL_LIMIT)
            {
                // Wait until the byte is cleared
                polls++;
            }

            // The device hasn't responded to our reset request. Probably not a fully-compatible AC97 card.
            if (polls >= RESET_POLL_LIMIT)
            {
                throw new InvalidOperationException("No AC97-compatible device could be found - the reset timeout has expired.");
            }

            // Volume
            pMasterVolume.Word = CreateMixerVolumeValue(AC97_VOLUME_MAX, AC97_VOLUME_MAX, false);
            pPCMOutVolume.Word = CreateMixerVolumeValue(AC97_VOLUME_MAX, AC97_VOLUME_MAX, false);

            // Create all needed buffers
            CreateBuffers(bufferSize);

            // Initialization done - driver can now be activated by using Enable()
        }
Exemplo n.º 6
0
        public RTL8168(PCIDevice device) : base()
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get Realtek 8168 card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            BaseAddress = this.pciCard.BaseAddressBar[0].BaseAddress;

            // Enable the card
            pciCard.EnableDevice();

            SetIrqHandler(device.InterruptLine, HandleNetworkInterrupt);

            Ports.outb((ushort)(BaseAddress + 0xE0), 0x08);

            Reset();

            // Get the MAC Address
            byte[] eeprom_mac = new byte[6];
            for (uint b = 0; b < 6; b++)
            {
                eeprom_mac[b] = Ports.inb((ushort)(BaseAddress + b));
            }

            this.mac = new MACAddress(eeprom_mac);

            InitBuffers();

            Console.WriteLine("Init buffers done!");

            Ports.outd((ushort)(BaseAddress + 0x44), 0x0000E70F); // Enable RX

            Ports.outd((ushort)(BaseAddress + 0x37), 0x04);

            Ports.outd((ushort)(BaseAddress + 0x40), 0x03000700); // Enable TX

            Ports.outd((ushort)(BaseAddress + 0xDA), 2048);       // Max rx packet size

            Ports.outb((ushort)(BaseAddress + 0xEC), 0x3F);       // No early transmit

            Ports.outd((ushort)(BaseAddress + 0x20), mTxDescriptor.Offset);
            Console.WriteLine("addresstx desc: 0x" + Utilities.Conversion.DecToHex((int)mTxDescriptor.Offset));

            Ports.outd((ushort)(BaseAddress + 0xE4), mRxDescriptor.Offset);
            Console.WriteLine("addressrx desc: 0x" + Utilities.Conversion.DecToHex((int)mRxDescriptor.Offset));

            if (((GetMacVersion() & 0x7cf00000) == 0x54100000) || ((GetMacVersion() & 0x7cf00000) == 0x54000000))
            {
                Console.WriteLine("8168H Detected!");

                Ports.outd((ushort)(BaseAddress + 0x40), Ports.ind((ushort)(BaseAddress + 0x40)) | (1 << 7)); // AUTO TX FIFO
            }

            Ports.outw((ushort)(BaseAddress + 0x3C), 0xC3FF); //Activating all Interrupts

            Ports.outb((ushort)(BaseAddress + 0x37), 0x0C);   // Enabling receive and transmit

            Console.WriteLine("Netcard version: 0x" + Utilities.Conversion.DecToHex((int)GetMacVersion() & 0x7cf00000));
            Console.WriteLine("Netcard version: 0x" + Utilities.Conversion.DecToHex((int)GetMacVersion() & 0x7c800000));
        }
Exemplo n.º 7
0
        public RTL8168(PCIDevice device) : base()
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get Realtek 8168 card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;
            BaseAddress     = pciCard.BAR0 & (~0xFU);

            Console.WriteLine("Amount of bars: " + device.BaseAddressBar.Length);
            Console.WriteLine("BAR0: " + BaseAddress);

            // Enable the card
            pciCard.EnableDevice();

            SetIrqHandler(device.InterruptLine, HandleNetworkInterrupt);

            //Ports.OutB((ushort)(BaseAddress + 0xE0), 0x08);
            Console.WriteLine("Reset");
            Reset();

            // Get the MAC Address
            byte[] eeprom_mac = new byte[6];
            for (uint b = 0; b < 6; b++)
            {
                eeprom_mac[b] = Ports.InB((ushort)(BaseAddress + b));
            }

            mac = new MACAddress(eeprom_mac);
            Console.WriteLine("MAC: " + mac.ToString());
            Console.WriteLine("Init buffers");
            InitBuffers();

            Ports.OutD((ushort)(BaseAddress + 0x44), 0x0000E70F); // Enable RX

            Ports.OutD((ushort)(BaseAddress + 0x37), 0x04);

            Ports.OutD((ushort)(BaseAddress + 0x40), 0x03000700); // Enable TX

            Ports.OutD((ushort)(BaseAddress + 0xDA), 2048);       // Max rx packet size

            Ports.OutB((ushort)(BaseAddress + 0xEC), 0x3F);       // No early transmit

            Ports.OutD((ushort)(BaseAddress + 0x20), (uint)mTxDescriptor.Offset);
            Console.WriteLine("addresstx desc: " + mTxDescriptor.Offset);

            Ports.OutD((ushort)(BaseAddress + 0xE4), (uint)mRxDescriptor.Offset);
            Console.WriteLine("addressrx desc: " + mRxDescriptor.Offset);

            if (((GetMacVersion() & 0x7cf00000) == 0x54100000) || ((GetMacVersion() & 0x7cf00000) == 0x54000000))
            {
                Console.WriteLine("8168H Detected!");

                Ports.OutD((ushort)(BaseAddress + 0x40), Ports.InD((ushort)(BaseAddress + 0x40)) | (1 << 7)); // AUTO TX FIFO
            }

            Ports.OutW((ushort)(BaseAddress + 0x3C), 0xC3FF); //Activating all Interrupts

            Ports.OutB((ushort)(BaseAddress + 0x37), 0x0C);   // Enabling receive and transmit

            //Console.WriteLine("Netcard version: 0x" + System.Utils.Conversion.DecToHex((int)GetMacVersion() & 0x7cf00000));
            //Console.WriteLine("Netcard version: 0x" + System.Utils.Conversion.DecToHex((int)GetMacVersion() & 0x7c800000));
        }
Exemplo n.º 8
0
        // Initialize a new instance of the AMD PCNet device driver
        public AMDPCNet(PCIDevice device)
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get AMD PCNet card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            // Setup interrupt handling
            //Interrupts.IRQ09 += HandleNetworkInterrupt;
            //Interrupts.AddIRQHandler(device.InterruptLine, HandleNetworkInterrupt);

            // Get IO Address from PCI Bus
            io = (Kernel.IOAddressSpace)pciCard.GetAddressSpace(0);
            // Enable the card
            pciCard.EnableDevice();
            // Set the device into 32-bit mode
            io.Write32(0x10, 0);

            // Get the EEPROM MAC Address and set it as the devices MAC
            byte[] eeprom_mac = new byte[6];
            UInt32 result     = io.Read32(0x00);

            eeprom_mac[0] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[1] = BinaryHelper.GetByteFrom32bit(result, 8);
            eeprom_mac[2] = BinaryHelper.GetByteFrom32bit(result, 16);
            eeprom_mac[3] = BinaryHelper.GetByteFrom32bit(result, 24);
            result        = io.Read32(0x04);
            eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);

            mac = new MACAddress(eeprom_mac);

            // Allocate 32 bytes for the 28 byte Initialization block that has to be aligned to a 4 byte boundary
            //UInt32 address = Heap.MemAlloc(0x20);
            //mInitBlock = new ManagedUInt32Array(7); // 7 UInt32's, aligned on a 4byte boundary
            mInitBlock = new ManagedMemorySpace(28, 4);

            /*Console.Write("Allocated 32 bytes for initialization block @ 0x" + address.ToHex(8));
             * Console.WriteLine("(Aligned to 0x" + aligned_address.ToHex(8) + ")");*/

            // Allocate 80 uints for the 16 RX and TX Descriptor rings. These addresses have to be aligned on a 16-byte boundary
            mTxDescriptor = new ManagedMemorySpace(256, 16);
            mRxDescriptor = new ManagedMemorySpace(256, 16);

            /*Console.Write("Allocated 320 bytes for RX ring descriptors @ 0x" + rd_address.ToHex(8));
             * Console.WriteLine("(Aligned to 0x" + mRxDescriptorAddress.ToHex(8) + ")");
             * Console.Write("Allocated 320 bytes for TX ring descriptors @ 0x" + tx_address.ToHex(8));
             * Console.WriteLine("(Aligned to 0x" + mTxDescriptorAddress.ToHex(8) + ")");*/

            // Fill in the Initialization block
            mInitBlock.Write32(0x00, (0x4 << 28) | (0x4 << 20));
            mInitBlock.Write32(0x04, (uint)(eeprom_mac[0] | (eeprom_mac[1] << 8) | (eeprom_mac[2] << 16) | (eeprom_mac[3] << 24)));
            mInitBlock.Write32(0x08, (uint)(eeprom_mac[4] | (eeprom_mac[5] << 8)));
            mInitBlock.Write32(0x0C, 0x0);
            mInitBlock.Write32(0x10, 0x0);
            mInitBlock.Write32(0x14, mRxDescriptor.Offset);
            mInitBlock.Write32(0x18, mTxDescriptor.Offset);

            // Write the Initialization blocks address to the registers on the card
            InitializationBlockAddress = mInitBlock.Offset;
            // Set the device to PCNet-PCI II Controller mode (full 32-bit mode)
            SoftwareStyleRegister = 0x03;

            /* Initialize the RX and TX buffers, and set up the RX and TX descriptors to point
             * to the buffers. Also, mark the RX descriptors as being owned by the card so data
             * can be received in them */
            mRxBuffers = new List <ManagedMemorySpace>();
            mTxBuffers = new List <ManagedMemorySpace>();
            for (uint rxd = 0; rxd < 16; rxd++)
            {
                uint xOffset = rxd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mRxDescriptor.Write32(xOffset + 8, buffer.Offset);
                UInt16 buffer_len = (UInt16)(~buffer.Size);
                buffer_len++;
                UInt32 flags = (UInt32)(buffer_len & 0x0FFF) | 0xF000 | 0x80000000;
                mRxDescriptor.Write32(xOffset + 4, flags);
                mRxBuffers.Add(buffer);
            }
            for (uint txd = 0; txd < 16; txd++)
            {
                uint xOffset = txd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mTxDescriptor.Write32(xOffset + 8, buffer.Offset);
                mTxBuffers.Add(buffer);
            }

            // Set TX Descriptor 0 as the first one to use... Increment this when we use one to use them in a circular fashion
            mNextTXDesc = 0;

            // Setup our Receive and Transmit Queues
            mTransmitBuffer = new Queue <byte[]>();
            mRecvBuffer     = new Queue <byte[]>();
        }
Exemplo n.º 9
0
        public VT6102(PCIDevice device)
        {
            if (device == null)
            {
                throw new ArgumentException("PCI Device is null. Unable to get VIA Rhine-II card");
            }
            pciCard = device;

            // We are handling this device
            pciCard.Claimed = true;

            // Setup interrupt handling
            //Interrupts.IRQ10 += HandleNetworkInterrupt;
            //Interrupts.AddIRQHandler(device.InterruptLine, HandleNetworkInterrupt);

            // Get IO Address from PCI Bus
            io = pciCard.GetAddressSpace(0) as Kernel.IOAddressSpace;

            // Enable the card
            pciCard.EnableDevice();

            // Get the EEPROM MAC Address and set it as the devices MAC
            byte[] eeprom_mac = new byte[6];
            UInt32 result     = io.Read32(0x00);

            eeprom_mac[0] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[1] = BinaryHelper.GetByteFrom32bit(result, 8);
            eeprom_mac[2] = BinaryHelper.GetByteFrom32bit(result, 16);
            eeprom_mac[3] = BinaryHelper.GetByteFrom32bit(result, 24);
            result        = io.Read32(0x04);
            eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
            eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);

            mac = new MACAddress(eeprom_mac);

            // Software Reset device
            SoftwareReset();

            // Configure Receive Config
            ReceiveConfigRegister = 0x1C;
            // Configure Transmit Config
            TransmitConfigRegister = 0x04;

            // Setup RX Descriptors
            mRxDescriptors = new ManagedMemorySpace(256, 16);

            // Setup TX Descriptors
            mTxDescriptors = new ManagedMemorySpace(256, 16);

            /* Initialize the RX and TX buffers, and set up the RX  descriptors to point
             * to the buffers. Also, mark the RX descriptors as being owned by the card so data
             * can be received in them */
            mRxBuffers = new List <ManagedMemorySpace>();
            for (uint rxd = 0; rxd < 16; rxd++)
            {
                uint xOffset = rxd * 16;

                ManagedMemorySpace buffer = new ManagedMemorySpace(2048);
                mRxDescriptors.Write32(xOffset + 12, mRxDescriptors.Offset + xOffset + 16);
                mRxDescriptors.Write32(xOffset + 8, buffer.Offset);
                mRxDescriptors.Write32(xOffset + 4, buffer.Size);
                mRxDescriptors.Write32(xOffset, 0x80000000);
                mRxBuffers.Add(buffer);
            }
            mRxDescriptors.Write32(252, mRxDescriptors.Offset);
            for (uint txd = 0; txd < 16; txd++)
            {
                uint xOffset = txd * 16;

                mTxDescriptors.Write32(xOffset + 12, mTxDescriptors.Offset + xOffset + 16);
                mTxDescriptors.Write32(xOffset + 8, 0);
                mTxDescriptors.Write32(xOffset + 4, 0);
                mTxDescriptors.Write32(xOffset, 0);
            }
            mTxDescriptors.Write32(252, mTxDescriptors.Offset);

            mNextTXDesc = 0;

            RxDescAddressRegister = mRxDescriptors.Offset;
            TxDescAddressRegister = mTxDescriptors.Offset;

            // Setup and clear interrupts
            IntMaskRegister   = 0xFFFF;
            IntStatusRegister = 0xFFFF;

            // Setup our Receive and Transmit Queues
            mTransmitBuffer = new Queue <byte[]>();
            mRecvBuffer     = new Queue <byte[]>();
        }